DIEMAL, WESTERN AUSTRALIA

Average Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		66		82		80		76		67		58		52		51		53		59		65		72		79

Average High Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		80		96		94		89		80		70		64		63		66		73		79		86		94

Average Low Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		53		68		67		63		55		46		41		39		40		46		51		58		65

Highest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		115		115		112		110		98		92		79		79		86		96		104		106		113

Lowest Recorded Temperature

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		23		50		48		44		35		27		23		25		26		29		32		37		46

Average Morning Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		65		80		77		73		66		57		51		49		52		59		66		71		78

Average Afternoon Temperature

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		78		95		92		87		78		69		62		62		64		71		78		84		92

Average Number of Days Above 104F/40C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		16.3		6.5		4.5		1.3		---		---		---		---		---		---		---		0.5		3.5

Average Number of Days Above 95F/35C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		67.7		19.3		14.8		8.7		1.3		---		---		---		---		0.1		1.7		5.4		16.4

Average Number of Days Above 86F/30C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		132.3		28.4		23.3		19.7		8.2		0.9		---		---		0.1		2		8.4		15.7		25.7

Average Number of Days Below 35F/2C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		29.6		---		---		---		0.1		1.6		7.4		11.2		7.1		2		0.2		---		---

Average Number of Days Below 32F/0C

Years on Record: 19

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		11.5		---		---		---		---		0.6		3		4.7		2.9		0.3		---		---		---

Average Precipitation

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		10		---		---		---		1		1		1		1		---		---		---		---		---

Average Number of Rainy Days

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		65.6		3		4		3.8		5.4		7		8.7		8.6		7.8		5.1		3.9		4.6		3.6

Most Rain Reported in a Day

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		5		1		2		1		1		1		3		1		1		1		1		---		5

Most Rain Reported in a Month

Years on Record: 24

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
in		6		2		4		5		3		4		5		2		4		2		2		1		6

Average Morning Relative Humidity

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		52		34		39		45		53		65		73		74		65		52		41		38		34

Average Evening Relative Humidity

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
%		30		17		21		25		32		39		45		44		38		30		23		21		18

Average Morning Dew Point

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		45		48		50		50		48		45		42		41		41		41		41		44		47

Average Afternoon Dew Point

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		41		43		46		46		45		42		41		39		37		37		36		39		41

Average Morning Web Bulb

Years on Record: 17

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		54		62		62		61		57		51		47		46		47		50		54		58		61

Average Afternoon Wet Bulb

Years on Record: 16

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
F		58		66		66		65		61		55		52		51		52		55		57		61		65

Heating Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		1563		---		---		---		---		217		375		434		372		165		---		---		---

Cooling Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		2040.4		527		437.9		341		75		---		---		---		---		---		---		210		449.5

Growing Degree Days

Years on Record: 18

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		5956.1		992		861.6		806		525		248		75		31		93		285		465		660		914.5

Average Length of Day

Years on Record: 30

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Hours		12.5		14.2		13.5		12.6		11.8		11		10.7		10.9		11.5		12.3		13.2		14		14.5

Average Number of Clear Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		149.8		16.2		12.3		13.1		10		9.5		10		11.1		12.6		13.3		14.6		12.3		14.9

Average Number of Cloudy Days

Years on Record: 20

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
Days		63.9		4.2		4.4		4.8		5.8		6.8		7.8		7.8		6.1		3.9		4.1		4.8		3.5

Average Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		8		7.1		5.9		4.6		3.5		3.1		3.4		4.3		5.7		7		7.7		8.2

Average Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.4		2		1.9		1.5		1.3		1		0.8		0.9		1.1		1.3		1.6		1.9		2

Average Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.1		7.1		6.8		6.3		5.6		4.7		4.6		4.7		5.6		6.5		6.9		7		7.1

Average Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		7.1		8.9		7.8		7		6		5.3		5.3		5.5		6.2		7.4		8.3		8.5		9

Maximum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.7		8		7.1		5.9		4.6		3.5		3.1		3.4		4.3		5.7		7		7.7		8.2

Maximum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.7		2.4		2.3		1.9		1.5		1.2		1		1		1.3		1.6		1.9		2.2		2.3

Maximum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		6.9		7.8		7.7		7.1		6.7		5.9		5.4		5.7		6.4		7.1		7.5		7.8		8

Maximum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		8.8		10.8		9.8		8.5		8		7.3		6.7		7.1		7.5		8.6		9.6		10.5		11.4

Minimum Daily Solar Radiation - Global

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		4.9		6.8		5.8		4.7		3.8		2.9		2.7		2.9		3.6		4.9		6.2		6.9		7.4

Minimum Daily Solar Radiation - Diffuse

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		1.1		1.5		1.4		1.3		0.9		0.7		0.7		0.7		0.8		1		1.3		1.5		1.5

Minimum Daily Solar Radiation - Reflected

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.1		6.1		5.6		4.9		4.4		3.7		3.8		3.9		4.4		5.4		6.1		6.3		6.5

Minimum Daily Solar Radiation - Direct

Years on Record: 22

		ANNUAL		JAN		FEB		MAR		APR		MAY		JUN		JUL		AUG		SEP		OCT		NOV		DEC
kWh/m2		5.2		6.4		5.3		4.5		4.2		3.7		4.1		4.1		4.3		5.6		6.6		6.8		7.4